<template>
  <div>
    <h2>BsButton</h2>
    message: {{ message }}
    <BsIcon></BsIcon>
  </div>
</template>
<script setup>
import { inject, provide } from 'vue';
import BsIcon from './BsIcon.vue';

provide('username', 'lucy');

const message = inject('message');
</script>